Updating trunk VERSION from 3699.0 to 3700.0

# This is an automated release commit.
# Do not revert without consulting chrome-pmo@google.com.
NOAUTOREVERT=true
TBR=abdulsyed@chromiue.org

Change-Id: Ia222fec8b2e2cc1e6cf4512b379dd990f80569e0
Reviewed-on: https://chromium-review.googlesource.com/c/1460315Reviewed-by: chrome-release-bot@chromium.org <chrome-release-bot@chromium.org>
Cr-Commit-Position: refs/heads/master@{#630151}

chrome/VERSION

 MAJOR=74
 MINOR=0
-BUILD=3699
+BUILD=3700
 PATCH=0